Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 02:08

General

  • Target

    JaffaCakes118_84a4cb98d7bce223019fe142191dc5af.exe

  • Size

    944KB

  • MD5

    84a4cb98d7bce223019fe142191dc5af

  • SHA1

    63386615792f409bf3cbcc78c2a53ae1438bc5ea

  • SHA256

    db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b

  • SHA512

    1f7b06b720d424782bc31f554e33a6b80f9451076047540bc6744aa2a802824a9c73577f748f6d808195ddaa3354022d8e7ad61b814bd859036ce1944d2d1b32

  • SSDEEP

    12288:gCdOy3vVrKxR5CXbNjAOxK/j2n+4YG/6c1mFFja3mXgcjfRlgsUBgaH7nhEJes3P:gCdxte/80jYLT3U1jfsWabncesOCKlQ

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

ournewcompany2.hopto.org:333

Mutex

RV_MUTEX

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Revengerat family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84a4cb98d7bce223019fe142191dc5af.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84a4cb98d7bce223019fe142191dc5af.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\1.vbs"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1972
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:3332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 80
          3⤵
          • Program crash
          PID:4956
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
        2⤵
          PID:3824
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:3584
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3548
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3332 -ip 3332
        1⤵
          PID:4840

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log

          Filesize

          411B

          MD5

          aa1e14353932d87c160bcc8b1f025429

          SHA1

          8be59f98296c1c5b9fb5ad84888d2a8dc6a3377d

          SHA256

          1c644f557743292853209410644526419eee72bfee8bfec839212b06d3b5e739

          SHA512

          7aec11c636bfe228d2029b87f980e979de9c214264eb2dbaa25186084e39f8732a83d44580300f98a15a1a9c0637e748c1f3eb4f46520ef4c6caaae07347033b

        • C:\Users\Admin\AppData\Roaming\1.vbs

          Filesize

          337B

          MD5

          7b8daad7d9f2db34b2830161bfceb2a3

          SHA1

          cb805b2f46dc3983ce291d86e91247fe1817f8bf

          SHA256

          3bc30b67c44f8d7dc9394647667e9f6b735b818c6969285b372e74cfe362cf55

          SHA512

          a12d1cb131d5f10edde8ac7c980428bfb21ef2e5560d89087ca23e44d58c713ff1137712d0e75a9ee64606051785e6b7cd50c06e8115d7eb92c4d7df0effa921

        • memory/1972-12-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB